The atom and the Bohr theory of its structure : an elementary presentation (1923)
Holst, Helge, b. 1871 · London ; Copenhagen : Gyldendal · leaf 102
IONS AND ELECTRONS 81 More practical methods of revealing the effects of the individual «-particles and of counting them are founded on their very strong ionization power. By strengthening the ionization power of a-particles, Rutherford and Geiger were able to make the air in a … Fic. 20.—Photograph of the path of a B-particle (an electron). (Both 19 and 20 are photographs by C. T. R. Wilson.) so-called ionization chamber so good a conductor that an individual «-particle caused a deflection in an electrical apparatus, an electrometre. With a more direct method the English…
Atomic theory · Atomic structure · Bohr, Niels, 1885-1962
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